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libstore: remove upcast_goal

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upcast_goal was only ever needed to break circular includes, but the
same solution that gave us upcast_goal also lets us fully remove it:
just upcast goals without a wrapper function, but only in .cc files.

Change-Id: I9c71654b2535121459ba7dcfd6c5da5606904032
This commit is contained in:
eldritch horrors 2024-07-09 23:14:46 +02:00
parent a5d431a911
commit 4b109ec1a8
3 changed files with 10 additions and 36 deletions
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20
src/libstore/build/derivation-goal.cc
View file

@ -12,6 +12,8 @@
#include "topo-sort.hh"
#include "local-store.hh" // TODO remove, along with remaining downcasts
#include "logging-json.hh"
#include "substitution-goal.hh"
#include "drv-output-substitution-goal.hh"
#include <regex>
#include <queue>
@ -175,7 +177,7 @@ void DerivationGoal::getDerivation()
return;
}
addWaitee(upcast_goal(worker.makePathSubstitutionGoal(drvPath)));
addWaitee(worker.makePathSubstitutionGoal(drvPath));
state = &DerivationGoal::loadDerivation;
}
@ -276,19 +278,17 @@ void DerivationGoal::haveDerivation()
if (!status.wanted) continue;
if (!status.known)
addWaitee(
upcast_goal(
worker.makeDrvOutputSubstitutionGoal(
DrvOutput{status.outputHash, outputName},
buildMode == bmRepair ? Repair : NoRepair
)
worker.makeDrvOutputSubstitutionGoal(
DrvOutput{status.outputHash, outputName},
buildMode == bmRepair ? Repair : NoRepair
)
);
else {
auto * cap = getDerivationCA(*drv);
addWaitee(upcast_goal(worker.makePathSubstitutionGoal(
addWaitee(worker.makePathSubstitutionGoal(
status.known->path,
buildMode == bmRepair ? Repair : NoRepair,
cap ? std::optional { *cap } : std::nullopt)));
cap ? std::optional { *cap } : std::nullopt));
}
}
@ -426,7 +426,7 @@ void DerivationGoal::gaveUpOnSubstitution()
if (!settings.useSubstitutes)
throw Error("dependency '%s' of '%s' does not exist, and substitution is disabled",
worker.store.printStorePath(i), worker.store.printStorePath(drvPath));
addWaitee(upcast_goal(worker.makePathSubstitutionGoal(i)));
addWaitee(worker.makePathSubstitutionGoal(i));
}
if (waitees.empty()) /* to prevent hang (no wake-up event) */
@ -479,7 +479,7 @@ void DerivationGoal::repairClosure()
worker.store.printStorePath(i), worker.store.printStorePath(drvPath));
auto drvPath2 = outputsToDrv.find(i);
if (drvPath2 == outputsToDrv.end())
addWaitee(upcast_goal(worker.makePathSubstitutionGoal(i, Repair)));
addWaitee(worker.makePathSubstitutionGoal(i, Repair));
else
addWaitee(worker.makeGoal(
DerivedPath::Built {

11
src/libstore/build/worker.cc
View file

@ -537,15 +537,4 @@ void Worker::markContentsGood(const StorePath & path)
pathContentsGoodCache.insert_or_assign(path, true);
}
GoalPtr upcast_goal(std::shared_ptr<PathSubstitutionGoal> subGoal)
{
return subGoal;
}
GoalPtr upcast_goal(std::shared_ptr<DrvOutputSubstitutionGoal> subGoal)
{
return subGoal;
}
}

15
src/libstore/build/worker.hh
View file

@ -17,21 +17,6 @@ struct DerivationGoal;
struct PathSubstitutionGoal;
class DrvOutputSubstitutionGoal;
/**
* Workaround for not being able to declare a something like
*
* ```c++
* class PathSubstitutionGoal : public Goal;
* ```
* even when Goal is a complete type.
*
* This is still a static cast. The purpose of exporting it is to define it in
* a place where `PathSubstitutionGoal` is concrete, and use it in a place where it
* is opaque.
*/
GoalPtr upcast_goal(std::shared_ptr<PathSubstitutionGoal> subGoal);
GoalPtr upcast_goal(std::shared_ptr<DrvOutputSubstitutionGoal> subGoal);
typedef std::chrono::time_point<std::chrono::steady_clock> steady_time_point;
/**